Move ConstantStruct back to 2.5 API.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77266 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/ShadowStackGC.cpp b/lib/CodeGen/ShadowStackGC.cpp
index e3281d2..9d141e9 100644
--- a/lib/CodeGen/ShadowStackGC.cpp
+++ b/lib/CodeGen/ShadowStackGC.cpp
@@ -208,12 +208,12 @@
   };
 
   Constant *DescriptorElts[] = {
-    Context.getConstantStruct(BaseElts, 2),
+    ConstantStruct::get(BaseElts, 2),
     Context.getConstantArray(Context.getArrayType(VoidPtr, NumMeta),
                        Metadata.begin(), NumMeta)
   };
 
-  Constant *FrameMap = Context.getConstantStruct(DescriptorElts, 2);
+  Constant *FrameMap = ConstantStruct::get(DescriptorElts, 2);
 
   std::string TypeName("gc_map.");
   TypeName += utostr(NumMeta);